BELOMESTNY, DENIS; KOLODKO, ANASTASIA; SCHOENMAKERS, JOHN - In: International Journal of Theoretical and Applied … 13 (2010) 01, pp. 45-62
We present two approximation methods for the pricing of CMS spread options in Libor market models. Both approaches are based on approximating the underlying swap rates with lognormal processes under suitable measures. The first method is derived straightforwardly from the Libor market model. The...